./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_o20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad0eea8-fa32-47cc-9f8d-bccc1347e0c8/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad0eea8-fa32-47cc-9f8d-bccc1347e0c8/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad0eea8-fa32-47cc-9f8d-bccc1347e0c8/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad0eea8-fa32-47cc-9f8d-bccc1347e0c8/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_o20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad0eea8-fa32-47cc-9f8d-bccc1347e0c8/bin/uautomizer-wIGwrQj20G/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad0eea8-fa32-47cc-9f8d-bccc1347e0c8/bin/uautomizer-wIGwrQj20G --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78daae7f2fbb1fbd12685beb952877b8686cc8bc3d2c7fcd55d0c5d2b019aa0d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:37:22,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:37:22,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:37:22,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:37:22,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:37:22,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:37:22,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:37:22,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:37:22,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:37:22,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:37:22,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:37:22,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:37:22,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:37:22,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:37:22,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:37:22,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:37:22,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:37:22,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:37:22,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:37:22,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:37:22,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:37:22,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:37:22,754 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:37:22,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:37:22,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:37:22,762 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:37:22,762 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:37:22,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:37:22,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:37:22,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:37:22,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:37:22,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:37:22,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:37:22,772 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:37:22,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:37:22,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:37:22,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:37:22,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:37:22,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:37:22,777 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:37:22,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:37:22,778 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad0eea8-fa32-47cc-9f8d-bccc1347e0c8/bin/uautomizer-wIGwrQj20G/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-11-23 13:37:22,835 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:37:22,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:37:22,837 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:37:22,837 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:37:22,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:37:22,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:37:22,845 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:37:22,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:37:22,846 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 13:37:22,846 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 13:37:22,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 13:37:22,847 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 13:37:22,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:37:22,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 13:37:22,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 13:37:22,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 13:37:22,849 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 13:37:22,849 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 13:37:22,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 13:37:22,849 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:37:22,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 13:37:22,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:37:22,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:37:22,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 13:37:22,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:37:22,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:37:22,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 13:37:22,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 13:37:22,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 13:37:22,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 13:37:22,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 13:37:22,852 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:37:22,853 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad0eea8-fa32-47cc-9f8d-bccc1347e0c8/bin/uautomizer-wIGwrQj20G/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad0eea8-fa32-47cc-9f8d-bccc1347e0c8/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78daae7f2fbb1fbd12685beb952877b8686cc8bc3d2c7fcd55d0c5d2b019aa0d [2021-11-23 13:37:23,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:37:23,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:37:23,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:37:23,189 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:37:23,190 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:37:23,191 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad0eea8-fa32-47cc-9f8d-bccc1347e0c8/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/recursive-simple/id_o20.c [2021-11-23 13:37:23,287 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad0eea8-fa32-47cc-9f8d-bccc1347e0c8/bin/uautomizer-wIGwrQj20G/data/b32b7289e/0e796681b7bb4c3ab4f9616d8d845db5/FLAGe0de300fb [2021-11-23 13:37:23,769 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:37:23,771 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad0eea8-fa32-47cc-9f8d-bccc1347e0c8/sv-benchmarks/c/recursive-simple/id_o20.c [2021-11-23 13:37:23,784 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad0eea8-fa32-47cc-9f8d-bccc1347e0c8/bin/uautomizer-wIGwrQj20G/data/b32b7289e/0e796681b7bb4c3ab4f9616d8d845db5/FLAGe0de300fb [2021-11-23 13:37:24,145 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad0eea8-fa32-47cc-9f8d-bccc1347e0c8/bin/uautomizer-wIGwrQj20G/data/b32b7289e/0e796681b7bb4c3ab4f9616d8d845db5 [2021-11-23 13:37:24,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:37:24,149 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:37:24,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:37:24,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:37:24,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:37:24,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:37:24" (1/1) ... [2021-11-23 13:37:24,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@490ede46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:24, skipping insertion in model container [2021-11-23 13:37:24,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:37:24" (1/1) ... [2021-11-23 13:37:24,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:37:24,175 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:37:24,339 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad0eea8-fa32-47cc-9f8d-bccc1347e0c8/sv-benchmarks/c/recursive-simple/id_o20.c[516,529] [2021-11-23 13:37:24,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:37:24,349 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:37:24,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad0eea8-fa32-47cc-9f8d-bccc1347e0c8/sv-benchmarks/c/recursive-simple/id_o20.c[516,529] [2021-11-23 13:37:24,361 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:37:24,374 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:37:24,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:24 WrapperNode [2021-11-23 13:37:24,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:37:24,376 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:37:24,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:37:24,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:37:24,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:24" (1/1) ... [2021-11-23 13:37:24,389 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:24" (1/1) ... [2021-11-23 13:37:24,402 INFO L137 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2021-11-23 13:37:24,403 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:37:24,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:37:24,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:37:24,404 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:37:24,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:24" (1/1) ... [2021-11-23 13:37:24,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:24" (1/1) ... [2021-11-23 13:37:24,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:24" (1/1) ... [2021-11-23 13:37:24,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:24" (1/1) ... [2021-11-23 13:37:24,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:24" (1/1) ... [2021-11-23 13:37:24,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:24" (1/1) ... [2021-11-23 13:37:24,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:24" (1/1) ... [2021-11-23 13:37:24,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:37:24,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:37:24,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:37:24,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:37:24,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:24" (1/1) ... [2021-11-23 13:37:24,429 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:37:24,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad0eea8-fa32-47cc-9f8d-bccc1347e0c8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:24,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad0eea8-fa32-47cc-9f8d-bccc1347e0c8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:24,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad0eea8-fa32-47cc-9f8d-bccc1347e0c8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 13:37:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 13:37:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:37:24,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:37:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 13:37:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-11-23 13:37:24,485 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-11-23 13:37:24,539 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:37:24,540 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 13:37:24,624 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 13:37:24,630 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 13:37:24,630 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 13:37:24,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:24 BoogieIcfgContainer [2021-11-23 13:37:24,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 13:37:24,634 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 13:37:24,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 13:37:24,638 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 13:37:24,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:37:24" (1/3) ... [2021-11-23 13:37:24,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ad5c450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:37:24, skipping insertion in model container [2021-11-23 13:37:24,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:24" (2/3) ... [2021-11-23 13:37:24,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ad5c450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:37:24, skipping insertion in model container [2021-11-23 13:37:24,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:24" (3/3) ... [2021-11-23 13:37:24,642 INFO L111 eAbstractionObserver]: Analyzing ICFG id_o20.c [2021-11-23 13:37:24,647 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 13:37:24,648 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-23 13:37:24,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ad5c450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:37:24, skipping insertion in model container [2021-11-23 13:37:24,650 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 13:37:24,651 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 13:37:24,651 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 13:37:24,651 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 13:37:24,652 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:24" (3/3) ... [2021-11-23 13:37:24,655 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 13:37:24,662 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2021-11-23 13:37:24,666 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-23 13:37:24,666 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 13:37:24,666 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 13:37:24,666 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 13:37:24,699 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad0eea8-fa32-47cc-9f8d-bccc1347e0c8/bin/uautomizer-wIGwrQj20G/witness.graphml [2021-11-23 13:37:24,699 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 13:37:24,701 INFO L158 Benchmark]: Toolchain (without parser) took 551.73ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 61.5MB in the beginning and 81.3MB in the end (delta: -19.8MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. [2021-11-23 13:37:24,702 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 96.5MB. Free memory was 65.5MB in the beginning and 65.4MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:37:24,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.45ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 61.2MB in the beginning and 96.0MB in the end (delta: -34.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 13:37:24,706 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.37ms. Allocated memory is still 119.5MB. Free memory was 96.0MB in the beginning and 94.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:37:24,707 INFO L158 Benchmark]: Boogie Preprocessor took 16.34ms. Allocated memory is still 119.5MB. Free memory was 94.5MB in the beginning and 93.7MB in the end (delta: 735.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:37:24,707 INFO L158 Benchmark]: RCFGBuilder took 211.98ms. Allocated memory is still 119.5MB. Free memory was 93.7MB in the beginning and 84.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 13:37:24,708 INFO L158 Benchmark]: TraceAbstraction took 15.50ms. Allocated memory is still 119.5MB. Free memory was 84.7MB in the beginning and 83.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:37:24,709 INFO L158 Benchmark]: Witness Printer took 48.84ms. Allocated memory is still 119.5MB. Free memory was 83.3MB in the beginning and 81.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:37:24,713 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 96.5MB. Free memory was 65.5MB in the beginning and 65.4MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 225.45ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 61.2MB in the beginning and 96.0MB in the end (delta: -34.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.37ms. Allocated memory is still 119.5MB. Free memory was 96.0MB in the beginning and 94.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.34ms. Allocated memory is still 119.5MB. Free memory was 94.5MB in the beginning and 93.7MB in the end (delta: 735.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 211.98ms. Allocated memory is still 119.5MB. Free memory was 93.7MB in the beginning and 84.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 15.50ms. Allocated memory is still 119.5MB. Free memory was 84.7MB in the beginning and 83.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 48.84ms. Allocated memory is still 119.5MB. Free memory was 83.3MB in the beginning and 81.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2021-11-23 13:37:24,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad0eea8-fa32-47cc-9f8d-bccc1347e0c8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE